{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:TGT2QPQI4APGTACG6DMUZGZODD","short_pith_number":"pith:TGT2QPQI","canonical_record":{"source":{"id":"1709.02216","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-07T12:59:13Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"739608438385491bcbe2215621e5ce7389b9fdfe9172914b5e166a87a15efdde","abstract_canon_sha256":"ab5bb046d4586b1504cc29b3ac503a4b73057d0cba6dc30145d9403b9a89b66a"},"schema_version":"1.0"},"canonical_sha256":"99a7a83e08e01e698046f0d94c9b2e18f20830161d222f5aaf94de83ad2aa753","source":{"kind":"arxiv","id":"1709.02216","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02216","created_at":"2026-05-18T00:35:49Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02216v1","created_at":"2026-05-18T00:35:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02216","created_at":"2026-05-18T00:35:49Z"},{"alias_kind":"pith_short_12","alias_value":"TGT2QPQI4APG","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TGT2QPQI4APGTACG","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TGT2QPQI","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:TGT2QPQI4APGTACG6DMUZGZODD","target":"record","payload":{"canonical_record":{"source":{"id":"1709.02216","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-07T12:59:13Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"739608438385491bcbe2215621e5ce7389b9fdfe9172914b5e166a87a15efdde","abstract_canon_sha256":"ab5bb046d4586b1504cc29b3ac503a4b73057d0cba6dc30145d9403b9a89b66a"},"schema_version":"1.0"},"canonical_sha256":"99a7a83e08e01e698046f0d94c9b2e18f20830161d222f5aaf94de83ad2aa753","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:49.843868Z","signature_b64":"rEBfL5+25zv+IczOHvfoJ5lHOhZhFuZV9j5crZqi/Js+XD2eyM2hhuypb5CBj0JJ738c8RG672EvIG2FWsCMCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99a7a83e08e01e698046f0d94c9b2e18f20830161d222f5aaf94de83ad2aa753","last_reissued_at":"2026-05-18T00:35:49.843301Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:49.843301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.02216","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:35:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6DQUpQNqhK4fiJDge5X1EVM1jWrmzi0BvBpf+7yp8ijsSGj9y/aiUL7M6FXcdtDm4gs9oC6+TddXvxUVnIsFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T09:47:43.466100Z"},"content_sha256":"0857cde7cb57510a4f3910ee637fd564f4a292cfb2ad2bc95993da74d76b9eb9","schema_version":"1.0","event_id":"sha256:0857cde7cb57510a4f3910ee637fd564f4a292cfb2ad2bc95993da74d76b9eb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:TGT2QPQI4APGTACG6DMUZGZODD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"astro-ph.EP","authors_text":"A. Yamazaki, E. F. Young, H. Kashimura, J. Peralta, K. McGouldrick, K. Ogohara, K. Sugiyama, M. Nakamura, M. Takagi, M. Yamada, S. Murakami, S. S. Limaye, S. Watanabe, T. Horinouchi, T. Imamura, T. Kouyama, T. M. Sato, T. Satoh","submitted_at":"2017-09-07T12:59:13Z","abstract_excerpt":"The Venusian atmosphere is in a state of superrotation where prevailing westward winds move much faster than the planet's rotation. Venus is covered with thick clouds that extend from about 45 to 70 km altitude, but thermal radiation emitted from the lower atmosphere and the surface on the planet's nightside escapes to space at narrow spectral windows of the near-infrared. The radiation can be used to estimate winds by tracking the silhouettes of clouds in the lower and middle cloud regions below about 57 km in altitude. Estimates of wind speeds have ranged from 50 to 70 m/s at low to mid-lati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02216","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:35:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yeEdN5gunZKZwRxXRKUR2tcDn9LarGHfQBB8WqdNo9fm7nBQzes35Cw3NeSxptY9V46RPZYuaPzqX8ONVaLkDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T09:47:43.466457Z"},"content_sha256":"c8c8deab9a2c5e00060f6ba4c1a9280a132fa037e44f93aa5d91bd13e84d9f95","schema_version":"1.0","event_id":"sha256:c8c8deab9a2c5e00060f6ba4c1a9280a132fa037e44f93aa5d91bd13e84d9f95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TGT2QPQI4APGTACG6DMUZGZODD/bundle.json","state_url":"https://pith.science/pith/TGT2QPQI4APGTACG6DMUZGZODD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TGT2QPQI4APGTACG6DMUZGZODD/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-30T09:47:43Z","links":{"resolver":"https://pith.science/pith/TGT2QPQI4APGTACG6DMUZGZODD","bundle":"https://pith.science/pith/TGT2QPQI4APGTACG6DMUZGZODD/bundle.json","state":"https://pith.science/pith/TGT2QPQI4APGTACG6DMUZGZODD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TGT2QPQI4APGTACG6DMUZGZODD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TGT2QPQI4APGTACG6DMUZGZODD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ab5bb046d4586b1504cc29b3ac503a4b73057d0cba6dc30145d9403b9a89b66a","cross_cats_sorted":["physics.ao-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-07T12:59:13Z","title_canon_sha256":"739608438385491bcbe2215621e5ce7389b9fdfe9172914b5e166a87a15efdde"},"schema_version":"1.0","source":{"id":"1709.02216","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02216","created_at":"2026-05-18T00:35:49Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02216v1","created_at":"2026-05-18T00:35:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02216","created_at":"2026-05-18T00:35:49Z"},{"alias_kind":"pith_short_12","alias_value":"TGT2QPQI4APG","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TGT2QPQI4APGTACG","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TGT2QPQI","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:c8c8deab9a2c5e00060f6ba4c1a9280a132fa037e44f93aa5d91bd13e84d9f95","target":"graph","created_at":"2026-05-18T00:35:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The Venusian atmosphere is in a state of superrotation where prevailing westward winds move much faster than the planet's rotation. Venus is covered with thick clouds that extend from about 45 to 70 km altitude, but thermal radiation emitted from the lower atmosphere and the surface on the planet's nightside escapes to space at narrow spectral windows of the near-infrared. The radiation can be used to estimate winds by tracking the silhouettes of clouds in the lower and middle cloud regions below about 57 km in altitude. Estimates of wind speeds have ranged from 50 to 70 m/s at low to mid-lati","authors_text":"A. Yamazaki, E. F. Young, H. Kashimura, J. Peralta, K. McGouldrick, K. Ogohara, K. Sugiyama, M. Nakamura, M. Takagi, M. Yamada, S. Murakami, S. S. Limaye, S. Watanabe, T. Horinouchi, T. Imamura, T. Kouyama, T. M. Sato, T. Satoh","cross_cats":["physics.ao-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-07T12:59:13Z","title":"Equatorial jet in the lower to middle cloud layer of Venus revealed by Akatsuki"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02216","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:0857cde7cb57510a4f3910ee637fd564f4a292cfb2ad2bc95993da74d76b9eb9","target":"record","created_at":"2026-05-18T00:35:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ab5bb046d4586b1504cc29b3ac503a4b73057d0cba6dc30145d9403b9a89b66a","cross_cats_sorted":["physics.ao-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-07T12:59:13Z","title_canon_sha256":"739608438385491bcbe2215621e5ce7389b9fdfe9172914b5e166a87a15efdde"},"schema_version":"1.0","source":{"id":"1709.02216","kind":"arxiv","version":1}},"canonical_sha256":"99a7a83e08e01e698046f0d94c9b2e18f20830161d222f5aaf94de83ad2aa753","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99a7a83e08e01e698046f0d94c9b2e18f20830161d222f5aaf94de83ad2aa753","first_computed_at":"2026-05-18T00:35:49.843301Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:49.843301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rEBfL5+25zv+IczOHvfoJ5lHOhZhFuZV9j5crZqi/Js+XD2eyM2hhuypb5CBj0JJ738c8RG672EvIG2FWsCMCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:49.843868Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.02216","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0857cde7cb57510a4f3910ee637fd564f4a292cfb2ad2bc95993da74d76b9eb9","sha256:c8c8deab9a2c5e00060f6ba4c1a9280a132fa037e44f93aa5d91bd13e84d9f95"],"state_sha256":"4b6a7289965add2f736685476a2516783f68306e2ed0da0b421941c2e72f3769"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RmgZUNBNrnNanE5CqW101qlO1Jp/F+ADMltRNLgkzNk4rwLjxs5WWqeHkSZQWlAQtG359JA3xOo+JxUdTqySAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T09:47:43.468299Z","bundle_sha256":"19f6367e5c5b1d2d73f9ba3ea914c2d4cecb52acbbe72beb2983b1d651ab7ed2"}}